Marking Time: The Epic Quest to Invent the Perfect Calendar Ramsey & Todd Each chapter deals with one

Each chapter deals with one key aspect of peacemaking

and deeply researched take on a vital

A host of new and updated features-including full-color spreads on important health topics

and Thomas Edison

Marking Time: The Epic Quest to Invent the Perfect Calendar Ramsey & Todd Each chapter deals with one"If you lie awake worrying about the overnight transition from December 31, 1 BC, to January 1, AD 1 (there is no year zero), then you will enjoy Duncan Steel's Marking Time." American Scientist "No book could serve as a better guide to the cumulative invention that defines the imaginary threshold to the new millennium." Booklist A Fascinating March through History and the Evolution of the Modern Day Calendar . . . In this vivid, fast moving